src/urggr_package/level.lua

   1 --[[
   2     Urggr - An horizontal scrolling shoot'em up.
   3     Copyright 2008 Antoine Chavasse <a.chavasse@gmail.com>
   4
   5     This file is part of Urggr.
   6
   7     Urggr is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License version 3
   9     as published by the Free Software Foundation.
  10
  11     Urggr is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 --]]
  19
  20 require 'fail.utils'
  21 require 'fail.math'
  22 sg = require 'fail.scenegraph'
  23 col = require 'fail.bullet.collision'
  24
  25 Level = fail.utils.class
  26 {
  27         function( self )
  28                 self.gameobjects = {}
  29
  30                 -- The top level container of the rendering scene graph.
  31                 -- Just a group because there's nothing else currently,
  32                 -- and this project won't be needing anything more sophisticated
  33                 -- for a while.
  34                 self.renderablegroup = sg.Group()
  35
  36                 -- Create the bullet collision world
  37                 local broadphase = col.AxisSweep3(
  38                         fail.math.Vector3f( -1000, -1000, -1000 ),
  39                         fail.math.Vector3f( 1000, 1000, 1000 ) )
  40                 self.btcollisionworld = col.World( broadphase )
  41
  42                 self:addGameObject( urggr.Camera() )
  43                 self:addGameObject( urggr.PlayerShip( self ) )
  44                 self:addGameObject( urggr.TestObstacle( self ) )
  45         end
  46 }
  47
  48 function Level:addGameObject( gobj )
  49         table.insert( self.gameobjects, gobj )
  50 end
  51
  52 function Level:addRenderable( renderable )
  53         self.renderablegroup:add( renderable )
  54 end
  55
  56 function Level:addCollisionObject( colobj )
  57         self.btcollisionworld:addObject( colobj )
  58 end
  59
  60 function Level:update( deltatime )
  61         self.btcollisionworld:performDiscreteCollisionDetection()
  62
  63         for i,v in ipairs( self.gameobjects ) do
  64                 v:update( deltatime )
  65         end
  66 end
  67
  68 function Level:evaluateRender( renderpass )
  69         self.renderablegroup:evaluate( renderpass )
  70 end